*{
				margin: 0;
				padding: 0;				
			}
			.box{
				border: 1px solid white;
				width: 260px;
				margin: 0 auto;
				
			}
			h2{
				/*设置渐变*/	
				padding-left: 10px;
				font-size: 20px;
				
				color: white;		
				background-image: linear-gradient(to bottom,#1C77B7,white);
			}
			dt{
				background-image: linear-gradient(to bottom,#D3EAF9,white);
				margin: 20px auto 20px 20px;
				color: #1C77B7;
				font-weight: bold;
				padding-left: 20px;
			}
			dd{
				margin-left: 20px;
			}
			a{
				text-decoration: none;
				color: black;
				line-height: 30px;
				letter-spacing: 2px;
			}